The Orioles designated Walker for assignment Friday, Roch Kubatko of MASNSports.com reports.

EDGE Analysis

Walker was claimed off waivers from Atlanta earlier this month after he was previously DFA'd by Baltimore in November. He's now going to be exposed to waivers once again. The 31-year-old left-hander appeared in three games for Toronto last season, turning in a 7.20 ERA, 2.00 WHIP and 8:2 K:BB across five innings of work at the big-league level.

The Orioles claimed Walker off waivers from Atlanta on Wednesday, Roch Kubatko of MASNSports.com reports.

EDGE Analysis

Walker went from Baltimore to Atlanta via waiver claim less than a month ago, and he'll now head back to the Orioles. The left-hander holds a career 6.59 ERA and 31:14 K:BB over 27.1 innings covering parts of three big-league seasons. Walker does not have minor-league options remaining.

Atlanta designated Walker for assignment Friday.

EDGE Analysis

Walker was a waiver claim of Atlanta in November and will now go through the waivers process again. The left-hander holds a career 6.59 ERA and 31:14 K:BB over 27.1 innings covering parts of three big-league seasons and does not have minor-league options remaining.

Atlanta claimed Walker off waivers from the Orioles on Thursday.

EDGE Analysis

The Orioles signed Walker to a major-league contract Nov. 4 before booting him off the 40-man roster two days after that. Now, he's on the move to a new organization. The southpaw has posted a career 6.59 ERA and 31:14 K:BB over 27.1 innings covering parts of three big-league seasons and does not have minor-league options remaining.

Walker was designated for assignment Thursday, Roch Kubatko of MASNSports.com reports.

EDGE Analysis

Walker re-signed with the Orioles on Tuesday but lost his roster spot shortly thereafter as Baltimore shuffled its roster. He'll now be subject to waivers.

The Orioles re-signed Walker to a one-year contract Tuesday.

EDGE Analysis

Walker was a waiver claim of the Orioles in August but didn't appear in any games for them down the stretch. The lefty reliever holds a career 6.59 ERA and 31:14 K:BB over 27.1 innings covering parts of three big-league seasons. Walker does not have minor-league options remaining, so he would have to be passed through waivers in order to be sent to the minors if he doesn't make the Opening Day roster.

The Orioles claimed Walker off waivers from the Phillies on Thursday.

EDGE Analysis

Walker made three appearances at the big-league level earlier this season with the Blue Jays, allowing four runs with an 8:2 K:BB over five innings. He spent all of his time in the Phillies organization at the Triple-A level, and that's where he'll remain with the Orioles.

The Phillies designated Walker for assignment Tuesday.

EDGE Analysis

The left-hander has been at Triple-A Lehigh Valley since being acquired from the Blue Jays in May, but Walker will lose his place on the Phillies' 40-man roster without getting a look in the majors. He made 23 relief appearances at Lehigh Valley and had a 4.50 ERA, 1.42 WHIP and 22:12 K:BB across 26 innings.

Walker was traded from the Blue Jays to the Phillies on Thursday in exchange for cash considerations, Scott Lauber of The Philadelphia Inquirer reports.

EDGE Analysis

Walker was designated for assignment by the Blue Jays on Sunday after allowing four earned runs across five innings and three appearances with the big-league club. He'll be added to the Phillies' 40-man roster but optioned to Triple-A Lehigh Valley.

The Blue Jays designated Walker for assignment Sunday.

EDGE Analysis

The lefty reliever will give up his spot on the 40-man roster to catcher Ali Sanchez, whose contract was selected from Triple-A Buffalo on Sunday. Walker made three appearances out of the Toronto bullpen earlier this season but has otherwise spent the entire campaign at Buffalo, where he's compiled a 7.20 ERA, 2.10 WHIP and 16:7 K:BB across 10 innings.